| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.intellij.codeInsight.editorActions.enter; |
| |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.ScrollType; |
| import com.intellij.openapi.editor.actionSystem.EditorActionHandler; |
| import com.intellij.openapi.util.Ref; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.lang.properties.psi.PropertiesFile; |
| import com.intellij.lang.properties.PropertiesUtil; |
| import com.intellij.lang.properties.parsing.PropertiesTokenTypes; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class EnterInPropertiesFileHandler extends EnterHandlerDelegateAdapter { |
| public Result preprocessEnter(@NotNull final PsiFile file, @NotNull final Editor editor, @NotNull final Ref<Integer> caretOffsetRef, @NotNull final Ref<Integer> caretAdvance, |
| @NotNull final DataContext dataContext, final EditorActionHandler originalHandler) { |
| int caretOffset = caretOffsetRef.get().intValue(); |
| PsiElement psiAtOffset = file.findElementAt(caretOffset); |
| if (file instanceof PropertiesFile) { |
| handleEnterInPropertiesFile(editor, editor.getDocument(), psiAtOffset, caretOffset); |
| return Result.Stop; |
| } |
| return Result.Continue; |
| } |
| |
| private static void handleEnterInPropertiesFile(final Editor editor, |
| final Document document, |
| final PsiElement psiAtOffset, |
| int caretOffset) { |
| String text = document.getText(); |
| String line = text.substring(0, caretOffset); |
| int i = line.lastIndexOf('\n'); |
| if (i > 0) { |
| line = line.substring(i); |
| } |
| final String toInsert; |
| if (PropertiesUtil.isUnescapedBackSlashAtTheEnd(line)) { |
| toInsert = "\n "; |
| } |
| else { |
| final IElementType elementType = psiAtOffset == null ? null : psiAtOffset.getNode().getElementType(); |
| |
| if (elementType == PropertiesTokenTypes.VALUE_CHARACTERS) { |
| toInsert = "\\\n "; |
| } |
| else if (elementType == PropertiesTokenTypes.END_OF_LINE_COMMENT && "#!".indexOf(document.getText().charAt(caretOffset)) == -1) { |
| toInsert = "\n#"; |
| } |
| else { |
| toInsert = "\n"; |
| } |
| } |
| document.insertString(caretOffset, toInsert); |
| caretOffset+=toInsert.length(); |
| editor.getCaretModel().moveToOffset(caretOffset); |
| editor.getScrollingModel().scrollToCaret(ScrollType.RELATIVE); |
| editor.getSelectionModel().removeSelection(); |
| } |
| |
| } |